【Daily Question】Chemical Analysis Edition, May 2, 2019
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This post was last edited by zjp on 2019-5-2 08:22. Multiple-choice question: If, when using the permanent-stop titration method and reaching the stoichiometric point, the current drops to its lowest value, then it indicates (). A. Both the titrant and the analyte are irreversible electrode pairs. B. Both the titrant and the analyte are reversible electrode pairs. C. The titrant is a reversible electrode pair, while the analyte is an irreversible electrode pair. D. The titrant is an irreversible electrode pair, while the analyte is a reversible electrode pair. B, D
D. The titrant is a reversible electrode pair, while the substance being titrated is a non-reversible electrode pair